Pennzoil marine xlf extended life formula outboard 2-cycle synthetic blend oil was developed for engines that are "seasoned" or have been in service for a few years. The robust formulation makes marine xlf extended life formula outboard 2-cycle synthetic blend oil also very suitable for new high-displacement/horsepower carbureted or direct injection outboard motors. It contains only ash less components which helps prevent any lubricant related resignation and spark plug fouling. It's anti-gel properties help resist gel formation due to water or other contamination.